首页|Energy and blast performance of beryllium in a model thermobaric composition in comparison with aluminum and magnesium
Energy and blast performance of beryllium in a model thermobaric composition in comparison with aluminum and magnesium
扫码查看
点击上方二维码区域，可以放大扫码查看
原文链接
NETL
NSTL
万方数据
A direct comparison is made between the effectiveness of Al,Mg,and Be powders as additional fuels in model thermobaric compositions containing 20％fuel,20％ammonium perchlorate,and 60％RDX(1,3,5-Trinitro-1,3,5-triazacyclohexane)passivated with wax.Experimentally determined calorimetric mea-surements of the heat of detonation,along with the overpressure histories in an explosion chamber filled with nitrogen,were used to determine the quasi-static pressure(QSP)under anaerobic conditions.Overpressure measurements were also performed in a semi-closed bunker,and all blast wave parame-ters generated after the detonation of 500 g charges of the tested explosives were determined.Deto-nation calorimetry results,QSP values,and blast wave parameters(pressure amplitude,specific and total impulses)clearly indicate that Be is much more effective as an additional fuel than either Al or Mg in both anaerobic post-detonation reactions as well as the subsequent aerobic combustion.The heat of detonation of the RDXwax/AP/Be explosive mixture is over 40％and 50％higher than that of the mixture containing aluminum and magnesium instead of beryllium,respectively.Moreover,the TNT equivalent of the Be-containing composition due to the overpressure in the nitrogen-filled explosion chamber is 1.66,while the equivalent calculated using an air shock wave-specific impulse at a distance of 2.5 m is equal to 1.69.The high values of these parameters confirm the high reactivity of beryllium in both the anaerobic and aerobic stages of the thermobaric explosion.
Thermobaric explosivesBerylliumHeat of detonationQuasi-static overpressureBlast wave parameters
Thomas M.Klap?tke、Stanis?aw Cudzi?o、Waldemar A.Trzciński、Józef Paszula
展开 >
Energetic Materials Research,Department of Chemistry,University of Munich(LMU),Butenandtstrasse 5-13(D),81377,Munich,Germany
Military University of Technology,Faculty of Advanced Technologies and Chemistry,Sylwester Kaliski Str.2,00-908,Warsaw,Poland
Military University of Technology under research project UGB 2024Ludwig-Maximilian University of Munich(LMU)
NETL
NSTL
万方数据
